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LM317 Datasheet(PDF) 3 Page - ON Semiconductor

Part No. LM317
Description  1.5 A Adjustable Output, Positive Voltage Regulator
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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LM317 Datasheet(HTML) 3 Page - ON Semiconductor

 
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LM317, NCV317
http://onsemi.com
3
Figure 2. Representative Schematic Diagram
This device contains 29 active transistors.
310
310
230
120
5.6 k
Vin
170
6.3 V
160
12 k
5.0 pF
6.8 k
13 k
6.3 V
105
4.0
0.1
Vout
Adjust
12.5 k
2.4 k
30pF
6.3 V
125 k
135
190
12.4 k
3.6 k 5.8 k 110
5.1 k
6.7 k
510
200
30pF
Figure 3. Line Regulation and
DIAdj/Line Test Circuit
*Pulse testing required.
* 1% Duty Cycle
* is suggested.
*
VCC
VIH
VIL
Vin
Vout
RL
+
1.0
mF
CO
240
1%
R1
Adjust
R2
1%
Cin
0.1
mF
IAdj
LM317
LineRegulation(% V)
+
|V
OH
–V
OL
|
|V
OL
|
x100
VOH
VOL


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